Tar Ball Data File Format


Header-1 Record (Station Environmental Information)

FieldNameDescriptions
01-02Country CodeIOC country code
03Obs. TypeObservation type - Set to "2"
04-11Cruise No.Cruise number
12-64CommentPlatform name, Institution name, Scientist and others - in plain language
65-69Ref. No.Reference identity number
70-73Consec. No.Consecutive observation number
74-75Card No.Set to "01"
76-77Card TypeSet to "00"
78-80Deck No.Set to "082"


Header-2 Record

FieldNameDescriptions
01-02Country CodeIOC country code
03Obs. TypeObservation type - Set to "2"
04-10Call SignShip's call sign
11-12PlatformType of platform
13-15InstitutionInstitution code,
Japanese code is here
16QuadrantQuadrant of globe
17-20LatitudeDegrees and minutes
21-25LongitudeDegrees and minutes
26-31DateDate of observation(DDMMYY)
DD : Day , MM : Month ,
YY : Last 2 digits of the year
32-35TimeTime of observation in GMT(HHMM)
HH : Hours , MM : Minutes
36-37Wind Dir.Wind direction in tens of degrees, 00 : Calm
38-39Wind SpeedWind speed in Beaufort scale
40-41Wave PeriodWave period in seconds
42-43Wave Heightsee code table
44Sea StateSea state in WMO code 3700
45-47Air Temp.Air temperature in deg-C to tenths.
To indicate negative temperatures, add 50.0 to the value of the temperature measured and drop the negative sign.
48-50SSTSea surface temperature in deg-C to tenths.
To indicate negative temperatures, add 50.0 to the value of the temperature measured and drop the negative sign.
51-64FillerBlank
65-69Ref. No.Reference identity number
70-73Consec. No.Consecutive observation number
74-75Card No.Set to "02"
76-77Card TypeSet to "01"
78-80Deck No.Set to "082"

* deg-C : degree Celsius


Data Record

FieldNameDescriptions
01-02Country CodeIOC country code
03Obs. TypeObservation type - Set to "2"
04-07Sample No.Sample number
08-10Mesh Sizeper Mesh size code (M. Code)
11-13NetWidth of net in cm
14-15DistanceDistance over which the net was towed in nautical miles to tenths
16-22Weightper Weight code (W. Code)
23-28Concentrationper Concentration code (C. Code)
29-34Station No.Originator's station number
35-61CommentComments
62M. CodeMesh size code (for Field 8 - 10)
0 : Mesh No./inch
1 : 0.01 mm
2 : 0.001 mm
63W. CodeWeight code (fot Field 16 - 22)
0 : g
1 : mg
64C. CodeConcentration code (for Field 23 - 28)
0 : mg/m2
1 : 0.001 mg/m2
65-69Ref. No.Reference identity number
70-73Consec. No.Consecutive observation number
74-75Card No.Set to "03"
76-77Card TypeSet to "02"
78-80Deck No.Set to "082"


Last update : September 24, 1997